In DummyInput.tsx, Input CSS hack replaced with improved and efficient code. https://github.com/JedWatson/react-select/issues/5722

packages/react-select/src/internal/DummyInput.tsx

@@ -25,26 +25,11 @@ export default function DummyInput({
       {...filteredProps}
       css={{
         label: 'dummyInput',
-        // get rid of any default styles
-        background: 0,
-        border: 0,
-        // important! this hides the flashing cursor
+        width: '1px',
+        position: 'absolute',
+        pointerEvents: 'none',
+        opacity: '0',
         caretColor: 'transparent',
-        fontSize: 'inherit',
-        gridArea: '1 / 1 / 2 / 3',
-        outline: 0,
-        padding: 0,
-        // important! without `width` browsers won't allow focus
-        width: 1,
-
-        // remove cursor on desktop
-        color: 'transparent',
-
-        // remove cursor on mobile whilst maintaining "scroll into view" behaviour
-        left: -100,
-        opacity: 0,
-        position: 'relative',
-        transform: 'scale(.01)',
       }}
     />
   );